42-461-42662
PRODUCING HorizontalNEFF EAST H 9-45
UPTON County · District 7 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
5
Max Depth
10,605 ft
First Permit
2024-01-10
Latest Activity
2024-01-10
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2025-07-12
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: DIAMONDBACK E&P LLC ≠ Permit: DE IV OPERATING, LLC
Resolved via: production → DIAMONDBACK E&P LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2025-07
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (16) Elevation 2,826 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,681 ft | +145 ft |
| YATES | 2,684 ft | +142 ft |
| GRAYBURG | 4,097 ft | -1,271 ft |
| GRAYBURG | 4,106 ft | -1,280 ft |
| SAN ANDRES - SALTWATER FLOW (San Andres) | 5,285 ft | -2,459 ft |
| SAN ANDRES-SALTWATER FLOW (San Andres) | 5,295 ft | -2,469 ft |
| CLEARFORK (Clear Fork) | 6,781 ft | -3,955 ft |
| CLEARFORK (Clear Fork) | 6,791 ft | -3,965 ft |
| SPRABERRY | 7,574 ft | -4,748 ft |
| SPRABERRY | 7,584 ft | -4,758 ft |
| WOLFCAMP | 9,171 ft | -6,345 ft |
| WOLFCAMP | 9,313 ft | -6,487 ft |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
| STRAWN | — | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 9,756–25,300 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 498 ft | 445 sx |
| 8.625" | 8,615 ft | 755 sx |
| 6" | 25,365 ft | 2,145 sx |
Permit History (5)
NEFF EAST H 9-45 · 9,269 ft
2024-01-10
NEFF EAST M 9-45 · 10,605 ft
2024-01-10
NEFF EAST L 9-45 · 10,605 ft
2024-01-10
NEFF EAST L 9-45 · 10,605 ft
2024-01-10
NEFF EAST L 9-45 · 10,605 ft
2024-01-10
Spud 2025-02-05
Applications (5)
Records & Logs
1 completion filing on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 4213H
- Max Depth
- 10,605 ft
- Drill Type
- Horizontal
- County
- UPTON
- District
- 7
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2025-07-12
Operator
- Name
- DIAMONDBACK E&P LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-05-04)
- Cum Oil (all leases)
- 986,290,193 bbl
- Cum Gas (all leases)
- 41,995,553 mcf
- Activities
- GTHS/C, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 4,969